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Enable Garbage collection by default for RS and RC

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This commit is contained in:
Mayank Kumar
2017-02-09 16:02:23 -08:00
parent 8e13ee01d6
commit 6b35ff72ce
10 changed files with 110 additions and 143 deletions
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61
pkg/controller/replicaset/replica_set.go
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@@ -94,14 +94,10 @@ type ReplicaSetController struct {
// Controllers that need to be synced
queue workqueue.RateLimitingInterface
// garbageCollectorEnabled denotes if the garbage collector is enabled. RC
// manager behaves differently if GC is enabled.
garbageCollectorEnabled bool
}
// NewReplicaSetController configures a replica set controller with the specified event recorder
func NewReplicaSetController(rsInformer extensionsinformers.ReplicaSetInformer, podInformer coreinformers.PodInformer, kubeClient clientset.Interface, burstReplicas int, lookupCacheSize int, garbageCollectorEnabled bool) *ReplicaSetController {
func NewReplicaSetController(rsInformer extensionsinformers.ReplicaSetInformer, podInformer coreinformers.PodInformer, kubeClient clientset.Interface, burstReplicas int, lookupCacheSize int) *ReplicaSetController {
if kubeClient != nil && kubeClient.Core().RESTClient().GetRateLimiter() != nil {
metrics.RegisterMetricAndTrackRateLimiterUsage("replicaset_controller", kubeClient.Core().RESTClient().GetRateLimiter())
}
@@ -118,7 +114,6 @@ func NewReplicaSetController(rsInformer extensionsinformers.ReplicaSetInformer,
burstReplicas: burstReplicas,
expectations: controller.NewUIDTrackingControllerExpectations(controller.NewControllerExpectations()),
queue: workqueue.NewNamedRateLimitingQueue(workqueue.DefaultControllerRateLimiter(), "replicaset"),
garbageCollectorEnabled: garbageCollectorEnabled,
}
rsInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
@@ -487,19 +482,15 @@ func (rsc *ReplicaSetController) manageReplicas(filteredPods []*v1.Pod, rs *exte
defer wg.Done()
var err error
if rsc.garbageCollectorEnabled {
var trueVar = true
controllerRef := &metav1.OwnerReference{
APIVersion: getRSKind().GroupVersion().String(),
Kind: getRSKind().Kind,
Name: rs.Name,
UID: rs.UID,
Controller: &trueVar,
}
err = rsc.podControl.CreatePodsWithControllerRef(rs.Namespace, &rs.Spec.Template, rs, controllerRef)
} else {
err = rsc.podControl.CreatePods(rs.Namespace, &rs.Spec.Template, rs)
var trueVar = true
controllerRef := &metav1.OwnerReference{
APIVersion: getRSKind().GroupVersion().String(),
Kind: getRSKind().Kind,
Name: rs.Name,
UID: rs.UID,
Controller: &trueVar,
}
err = rsc.podControl.CreatePodsWithControllerRef(rs.Namespace, &rs.Spec.Template, rs, controllerRef)
if err != nil {
// Decrement the expected number of creates because the informer won't observe this pod
glog.V(2).Infof("Failed creation, decrementing expectations for replica set %q/%q", rs.Namespace, rs.Name)
@@ -595,27 +586,19 @@ func (rsc *ReplicaSetController) syncReplicaSet(key string) error {
// modify them, you need to copy it first.
// TODO: Do the List and Filter in a single pass, or use an index.
var filteredPods []*v1.Pod
if rsc.garbageCollectorEnabled {
// list all pods to include the pods that don't match the rs`s selector
// anymore but has the stale controller ref.
pods, err := rsc.podLister.Pods(rs.Namespace).List(labels.Everything())
if err != nil {
return err
}
cm := controller.NewPodControllerRefManager(rsc.podControl, rs, selector, getRSKind())
filteredPods, err = cm.ClaimPods(pods)
if err != nil {
// Something went wrong with adoption or release.
// Requeue and try again so we don't leave orphans sitting around.
rsc.queue.Add(key)
return err
}
} else {
pods, err := rsc.podLister.Pods(rs.Namespace).List(selector)
if err != nil {
return err
}
filteredPods = controller.FilterActivePods(pods)
// list all pods to include the pods that don't match the rs`s selector
// anymore but has the stale controller ref.
pods, err := rsc.podLister.Pods(rs.Namespace).List(labels.Everything())
if err != nil {
return err
}
cm := controller.NewPodControllerRefManager(rsc.podControl, rs, selector, getRSKind())
filteredPods, err = cm.ClaimPods(pods)
if err != nil {
// Something went wrong with adoption or release.
// Requeue and try again so we don't leave orphans sitting around.
rsc.queue.Add(key)
return err
}
var manageReplicasErr error